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Incremental update. We are in the middle of modifying the index system

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to support range queries without doing a complete table scan. (CVS 303)

FossilOrigin-Name: e6ca23fa4569bc33065bf57ce7ce6132cd6a9de0
This commit is contained in:
drh
2001-11-07 14:22:00 +00:00
parent 17e24df621
commit 8721ce4ae7
11 changed files with 336 additions and 225 deletions
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6
src/update.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle UPDATE statements.
**
** $Id: update.c,v 1.20 2001/11/01 14:41:34 drh Exp $
** $Id: update.c,v 1.21 2001/11/07 14:22:00 drh Exp $
*/
#include "sqliteInt.h"
@@ -190,7 +190,7 @@ void sqliteUpdate(
sqliteVdbeAddOp(v, OP_Column, base, pIdx->aiColumn[j]);
}
sqliteVdbeAddOp(v, OP_MakeIdxKey, pIdx->nColumn, 0);
sqliteVdbeAddOp(v, OP_DeleteIdx, base+i+1, 0);
sqliteVdbeAddOp(v, OP_IdxDelete, base+i+1, 0);
}
/* Compute a completely new data for this record.
@@ -213,7 +213,7 @@ void sqliteUpdate(
sqliteVdbeAddOp(v, OP_Dup, j+pTab->nCol-pIdx->aiColumn[j], 0);
}
sqliteVdbeAddOp(v, OP_MakeIdxKey, pIdx->nColumn, 0);
sqliteVdbeAddOp(v, OP_PutIdx, base+i+1, pIdx->isUnique);
sqliteVdbeAddOp(v, OP_IdxPut, base+i+1, pIdx->isUnique);
}
/* Write the new data back into the database.